Now that Mac and Kelly Radner have a second baby on the way, they are ready to make the final move into adulthood: the suburbs. But just as they thought they’d reclaimed the neighborhood and were safe to sell, they learn that the new occupants next door are a sorority even more out of control than Teddy and his brothers ever dreamed of being.

When their new next-door neighbors turn out to be a sorority even more debaucherous than the fraternity previously living there, Mac and Kelly team with their former enemy, Teddy, to bring the girls down.

When their new next-door neighbors turn out to be a sorority even more debaucherous than the fraternity previously living there, Mac and Kelly team with their former enemy, Teddy, to bring the girls down.

Mac (Seth Rogen) and Kelly (Rose Byrne) are ready to make the final move into adulthood. But just as they thought they have reclaimed the neighborhood, they learn that their new neighbors are even more out of control than the last. To evict them, they will need help from their ex neighbor (Zac Efron).

Mac (Seth Rogen) and Kelly (Rose Byrne) are ready to make the final move into adulthood. But just as they thought they have reclaimed the neighborhood, they learn that their new neighbors are even more out of control than the last. To evict them, they will need help from their ex neighbor (Zac Efron).

Mac (Seth Rogen) and Kelly (Rose Byrne) are ready to make the final move into adulthood. But just as they thought they have reclaimed the neighborhood, they learn that their new neighbors are even more out of control than the last. To evict them, they will need help from their ex neighbor (Zac Efron).